Obama's speech on Syria: 'America is not the world's policeman'

President Barack Obama addresses the nation in a live televised speech from the East Room of the White House in Washington, Tuesday, Sept. 10, 2013. (Evan Vucci, Pool/AP)

Watch Live: President Obama addresses the nation on Syria

In the run-up to a prime-time televised speech, President Barack Obama blended the threat of a military strike with the hope of a diplomatic solution Tuesday as he worked to rid Syria of an illicit stockpile of fearsome chemical weapons.President Obama will address the nation this evening regarding the situation in Syria. Tune in at 9:00 p.m. ET. http://t.co/qVdNKyY1Ep- Barack Obama (@BarackObama) September 10, 2013Return here for a live video stream of Obama's speech at 9 p.m. ET.Watch a report ...

One-day event to run slide down University HillIt's not quite the alternative mode of transportation that Boulder's used to, but, for one day this summer, residents will be able to traverse several city blocks atop inflatable tubes.